@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700;800&family=Source+Sans+3:wght@400;500;600;700&display=swap');

:root{
  --wine:#5b1e18;--wine2:#7b2c23;--ink:#211d19;--muted:#766d63;
  --gold:#b88a35;--paper:#f7f3e9;--line:#ded4c2;--white:#fffdf8;
  --serif:"Noto Serif SC","Songti SC",serif;--sans:"Source Sans 3","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sans);line-height:1.75}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.wrap{width:min(1180px,calc(100% - 56px));margin:0 auto}
.topbar{background:var(--wine);color:#f5ead5;font-size:12px;letter-spacing:.06em}
.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between}
.topbar a{opacity:.88}.topbar a:hover{opacity:1;color:#fff}
.top-sep{padding:0 12px;color:#c7a66d}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(216,205,184,.75)}
.head{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand-mark{width:46px;height:46px;border:1px solid var(--gold);outline:1px solid rgba(184,138,53,.35);outline-offset:3px;display:grid;place-items:center;color:var(--wine);font-family:var(--serif);font-size:25px;font-weight:700}
.brand-copy{display:flex;flex-direction:column;line-height:1.35}
.brand-copy b{font-family:var(--serif);font-size:18px;letter-spacing:.04em;color:var(--wine)}
.brand-copy small{font-size:9px;letter-spacing:.19em;color:#8c7b66;margin-top:5px}
.main-nav{display:flex;align-items:center;gap:29px}
.main-nav a{font-size:14px;color:#51483f;position:relative;padding:32px 0}
.main-nav a:after{content:"";position:absolute;bottom:22px;left:0;width:0;height:2px;background:var(--gold);transition:width .2s}
.main-nav a:hover,.main-nav a.active{color:var(--wine)}
.main-nav a:hover:after,.main-nav a.active:after{width:100%}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--wine);font-size:22px;padding:4px 11px}
.hero{position:relative;min-height:590px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(247,243,233,.98) 0%,rgba(247,243,233,.9) 27%,rgba(247,243,233,.45) 53%,rgba(247,243,233,.04) 100%),url("../huainanzi-hero.png") center 53%/cover no-repeat;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,rgba(247,243,233,.18),transparent 24%,transparent 80%,rgba(247,243,233,.12))}
.hero-inner{position:relative;z-index:1}
.hero-copy{max-width:560px;padding:65px 0 78px}
.eyebrow{display:inline-block;color:var(--gold);font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}
.hero h1{font-family:var(--serif);font-size:clamp(43px,5.2vw,68px);line-height:1.35;letter-spacing:.08em;color:var(--wine);font-weight:600;margin:20px 0}
.hero-lead{max-width:500px;color:#5f554b;font-family:var(--serif);font-size:16px;line-height:2.1;margin:0}
.hero-actions{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 23px;border:1px solid var(--wine);font-size:13px;letter-spacing:.04em;transition:.2s}
.btn-primary{background:var(--wine);color:#fffaf0}
.btn-primary:hover{background:var(--wine2);border-color:var(--wine2);transform:translateY(-2px)}
.btn-ghost{color:var(--wine);background:rgba(255,253,248,.45)}
.btn-ghost:hover{background:var(--white);transform:translateY(-2px)}
.hero-note{position:absolute;right:4.2%;bottom:26px;z-index:2;color:#fff9ed;font-size:11px;letter-spacing:.18em;text-shadow:0 1px 8px #40352a}
.section{padding:92px 0}
.about-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:85px;align-items:center}
.about-seal{min-height:340px;background:var(--wine);color:#f7e9cc;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden}
.about-seal:before,.about-seal:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(225,190,119,.35);transform:rotate(45deg)}
.about-seal:before{left:-150px;top:-130px}.about-seal:after{right:-150px;bottom:-130px}
.seal-kicker{font-size:10px;letter-spacing:.22em;color:#d8b56e}
.seal-character{font-family:var(--serif);font-size:100px;line-height:1.25;margin:14px 0 4px;text-shadow:3px 3px 0 rgba(0,0,0,.12)}
.about-seal p{font-family:var(--serif);letter-spacing:.16em;line-height:1.9;margin:0;font-size:14px}
.about-copy h2,.section-heading h2{font-family:var(--serif);font-weight:600;color:var(--wine);font-size:34px;letter-spacing:.06em;margin:10px 0 20px}
.about-copy>p{font-family:var(--serif);font-size:15px;color:#62594f;line-height:2.15;margin:0 0 14px}
.about-points{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:28px;padding-top:23px;border-top:1px solid var(--line)}
.about-points div{display:flex;flex-direction:column;gap:5px}
.about-points b{font-family:var(--serif);color:var(--wine);font-size:15px}
.about-points span{font-size:11px;color:var(--muted)}
.section-tint{background:var(--paper)}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
.section-heading h2{margin:7px 0 3px}
.section-heading p{margin:0;color:var(--muted);font-size:13px}
.more-link{font-size:13px;color:var(--wine);border-bottom:1px solid #c5a56d;padding-bottom:5px;white-space:nowrap}
.more-link span{color:var(--gold);padding-left:8px}
.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}
.news-feature{min-height:380px;padding:34px;display:flex;flex-direction:column;justify-content:space-between;color:#fff8e9;background:linear-gradient(145deg,rgba(56,34,25,.93),rgba(91,30,24,.78)),url("../huainanzi-hero.png") center/cover}
.tag{align-self:flex-start;border:1px solid rgba(232,202,146,.7);padding:4px 11px;color:#ecd39d;font-size:11px;letter-spacing:.08em}
.feature-date{font-size:11px;color:#d8bd8b;letter-spacing:.08em}
.news-feature h3{font-family:var(--serif);font-size:25px;line-height:1.65;font-weight:500;margin:8px 0}
.news-feature p:not(.feature-date){font-size:13px;color:#eadfca}
.text-link{display:inline-block;margin-top:13px;color:#f1d69e;font-size:12px;border-bottom:1px solid rgba(241,214,158,.6);padding-bottom:3px}
.news-list{background:var(--white);padding:7px 27px}
.news-item{display:grid;grid-template-columns:65px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border:0}
.news-date{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f4eee1;color:var(--wine);min-height:62px}
.news-date b{font-family:var(--serif);font-size:25px;line-height:1.2}
.news-date span{font-size:10px;color:#9a8669}
.news-category{font-size:10px;color:var(--gold);letter-spacing:.1em}
.news-item h3{font-family:var(--serif);font-size:15px;color:var(--wine);font-weight:600;margin:3px 0 4px}
.news-item p{font-size:12px;color:var(--muted);margin:0}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.topic-card{min-height:250px;padding:25px 22px;background:#f5f0e6;border:1px solid #e6ddce;display:flex;flex-direction:column;transition:.22s}
.topic-card:hover{transform:translateY(-5px);background:#fffaf0;border-color:#c9ad78;box-shadow:0 12px 28px rgba(61,42,25,.08)}
.topic-card>span{font-size:10px;letter-spacing:.16em;color:var(--gold)}
.topic-card h3{font-family:var(--serif);font-size:18px;line-height:1.6;color:var(--wine);margin:27px 0 10px}
.topic-card p{font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 18px}
.topic-card>b{font-size:11px;color:var(--wine);font-weight:600;margin-top:auto}
.topic-two{background:#f0eee5}.topic-three{background:#f4ece4}.topic-four{background:#eee9df}
.archive-section{background:#fbf9f3}
.archive-tools{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:17px}
.filter-group{display:flex;gap:7px;flex-wrap:wrap}
.filter-btn{border:1px solid var(--line);background:transparent;color:#6d6256;padding:7px 15px;font-size:12px;cursor:pointer}
.filter-btn.active,.filter-btn:hover{background:var(--wine);border-color:var(--wine);color:#fff8e9}
.search-box{display:flex;border:1px solid var(--line);background:white;min-width:260px}
.search-box input{width:100%;min-width:0;border:0;outline:0;padding:9px 12px;font-size:12px;background:transparent}
.search-box button{border:0;background:var(--wine);color:white;padding:0 17px;font-size:12px;cursor:pointer}
.article-list{border-top:1px solid var(--line)}
.article-row{display:grid;grid-template-columns:100px 1fr 170px 24px;gap:18px;align-items:center;padding:20px 8px;border-bottom:1px solid var(--line);transition:.18s}
.article-row:hover{background:#f5f0e6;padding-left:15px}
.article-type{font-size:11px;color:var(--gold)}
.article-title{font-family:var(--serif);font-size:15px;color:var(--wine)}
.article-meta{font-size:11px;color:#938779}
.article-arrow{color:var(--gold);text-align:right}
.empty-state{padding:24px;text-align:center;color:var(--muted);font-size:13px}
.site-footer{background:#2b211c;color:#e9ddc8}
.footer-main{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:45px;padding-top:48px;padding-bottom:42px}
.footer-brand{font-family:var(--serif);font-size:19px;color:#f4dfb8}
.footer-main p{font-size:12px;color:#bcae9b;line-height:1.9}
.footer-links{display:grid;grid-template-columns:1fr 1fr;align-content:start;gap:9px 20px;padding-top:5px}
.footer-links a{font-size:12px;color:#d8c8ae}
.footer-links a:hover{color:#f1d69e}
.footer-contact b{font-family:var(--serif);font-size:14px;color:#f4dfb8}
.footer-bottom{border-top:1px solid rgba(230,210,177,.17);font-size:10px;color:#a99b88}
.footer-bottom .wrap{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}
@media(max-width:900px){
  .main-nav{gap:16px}.main-nav a{font-size:13px}
  .about-grid{gap:45px}.topic-grid{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:540px;background-position:58% center}
}
@media(max-width:680px){
  .wrap{width:min(100% - 34px,1180px)}
  .topbar-inner{min-height:34px}.topbar-inner>div{display:none}
  .head{min-height:72px}.brand-mark{width:40px;height:40px;font-size:22px}
  .brand-copy b{font-size:15px}.brand-copy small{font-size:8px}
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--white);padding:10px 24px 18px;border-bottom:1px solid var(--line);box-shadow:0 12px 18px rgba(0,0,0,.06);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}.main-nav a{padding:10px 0}.main-nav a:after{display:none}
  .hero{min-height:530px;background-image:linear-gradient(90deg,rgba(247,243,233,.97),rgba(247,243,233,.78) 60%,rgba(247,243,233,.35)),url("../huainanzi-hero.png");background-position:62% center}
  .hero-copy{padding:54px 0 70px}.hero h1{font-size:43px}.hero-lead{font-size:14px}
  .hero-note{right:18px;bottom:14px;font-size:9px}
  .section{padding:65px 0}.about-grid{grid-template-columns:1fr;gap:32px}
  .about-seal{min-height:240px}.seal-character{font-size:76px}
  .about-copy h2,.section-heading h2{font-size:28px}
  .about-points{gap:9px}.about-points b{font-size:13px}.about-points span{font-size:10px}
  .section-heading{align-items:flex-start;flex-direction:column;margin-bottom:25px}
  .news-grid{grid-template-columns:1fr}.news-feature{min-height:320px;padding:26px}
  .news-list{padding:4px 16px}.news-item{grid-template-columns:55px 1fr;gap:13px}
  .topic-grid{grid-template-columns:1fr 1fr;gap:9px}.topic-card{padding:19px 15px;min-height:230px}
  .topic-card h3{font-size:16px;margin-top:20px}
  .archive-tools{align-items:stretch;flex-direction:column}
  .search-box{min-width:0}.article-row{grid-template-columns:75px 1fr 20px;gap:10px;padding:16px 4px}
  .article-meta{display:none}.article-title{font-size:13px}
  .footer-main{grid-template-columns:1fr;gap:22px;padding-top:36px;padding-bottom:28px}
  .footer-bottom .wrap{padding:10px 0;align-items:flex-start;flex-direction:column;gap:2px}
}
@media(max-width:390px){.topic-grid{grid-template-columns:1fr}.hero h1{font-size:38px}}